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Puzzle 776212: Blancas ganan el final

IM Alexander Costello (2224) - IM L. R Srihari (2436)
chess.com SpeedChess Q2Sw chess.com INT (2), 2022.11.12
  2. 1.Cf3
  3. c5
  4. 2.c3
  5. Cc6
  6. 3.d4
  7. cxd4
  8. 4.cxd4
  9. d5
  10. 5.Cc3
  11. Cf6
  12. 6.Af4
  13. a6
  14. 7.Tc1
  15. e6
  16. 8.e3
  17. Ad6
  18. 9.Ag3
  19. O-O
  20. 10.Ad3
  21. h6
  22. 11.O-O
  23. Te8
  24. 12.Ce2
  25. De7
  26. 13.Ce5
  27. Axe5
  28. 14.dxe5
  29. Ch5
  30. 15.Cd4
  31. Cxg3
  32. 16.Cxc6
  33. bxc6
  34. 17.hxg3
  35. c5
  36. 18.Ab1
  37. g6
  38. 19.Dg4
  39. Rg7
  40. 20.b3
  41. Ad7
  42. 21.Ad3
  43. Tec8
  44. 22.Tc2
  45. Ab5
  46. 23.Td1
  47. Dg5
  48. 24.Df4
  49. Tc7
  50. 25.Af1
  51. Tac8
  52. 26.Tdc1
  53. Axf1
  54. 27.Rxf1
  55. Dxf4
  56. 28.gxf4
  57. g5
  58. 29.g3
  59. Rg6
  60. 30.Re2
  61. a5
  62. 31.Rf3
  63. h5
  64. 32.e4
  65. d4
  66. 33.Tc4
  67. f6
  68. 34.exf6
  69. Rxf6
  70. 35.Th1
  71. Rg6
  72. 36.Thc1
  73. Tc6
  74. 37.Ta4
  75. gxf4
  76. 38.gxf4
  77. Rf6
  78. 39.Txa5
  79. c4
  80. 40.Txc4
  81. Txc4
  82. 41.bxc4
  83. Txc4
  84. 42.Txh5
  85. Ta4
  86. 43.e5+
  87. Rg7
  88. 44.Tg5+
  89. Rf7
  90. 45.f5
  91. exf5
  92. 46.Txf5+
  93. Re6
  94. 47.Rg4
  95. d3+
  96. 48.f4
  97. Td4
  98. 49.Tf6+
  99. Re7
  100. 50.Td6
  101. Txd6
  102. 51.exd6+
  103. Rxd6
    1. Solución:51...Rxd6
    2. 52.Rf3
    3. Rd5
      1. 52...d2
      2. 53.Re2
      3. Rc7 with a winning endgame, for example:
      4. 54.Rxd2
      1. 52...Rc5
      2. 53.Re3
      3. Rc4
    5. 53.Re3
      1. 53.Rf2
      2. Rc4
        1. 53...d2
        2. 54.Re2
        3. Re4
        4. 55.a4
        5. Rxf4
        6. 56.a5
        7. Re5
        8. 57.a6
        9. d1=Q+
        10. 58.Rxd1
        11. Rd6
        12. 59.a7
        13. Rc7
        14. 60.a8=Q
        1. 53...Rd4
        2. 54.Re1
        3. Rc3
      4. 54.Re1
      5. Rc3
        1. 54...d2+
        2. 55.Rxd2
        1. 54...Rd4 with a winning endgame, for example:
        2. 55.f5
        3. Rc5
        4. 56.a4
        5. Rc6
        6. 57.a5
        7. Rc5
        8. 58.a6
        9. Rb6
        10. 59.f6
        11. Rxa6
        12. 60.f7
        13. Rb7
        14. 61.f8=Q
      7. 55.Rd1
      8. Rd4 with a winning endgame, for example:
        1. 55...Rc4 with a winning endgame, for example:
        2. 56.a4
        3. Rb4
        4. 57.f5
        5. Rc5
        6. 58.a5
        7. Rc6
        8. 59.a6
        9. Rb6
        10. 60.f6
        11. Rxa6
        12. 61.f7
        13. Rb7
        14. 62.f8=Q
      10. 56.a4
      11. Rc4
      12. 57.f5
      13. Rd5
      14. 58.a5
      15. Rc5
      16. 59.a6
      17. Rb6
      18. 60.f6
      19. Rxa6
      20. 61.f7
      21. Rb7
      22. 62.f8=Q
    7. 53...d2
      1. 53...Rc4
      2. 54.Rd2
      3. Rb5 with a winning endgame, for example:
      4. 55.Rxd3
    9. 54.Rxd2
    10. Re4
    11. 55.a4
      1. 55.Rc3
      2. Rxf4
      3. 56.Rb4
        1. 56.Rc4
        2. Re5
        3. 57.Rc5
          1. 57.Rb5
          2. Rd6
            1. 57...Rd4 with a winning endgame, for example:
            2. 58.a4
            3. Rd5
            4. 59.a5
            5. Rd6
            6. 60.Rb6
            7. Rd7
            8. 61.a6
            9. Rc8
            10. 62.a7
            11. Rd7
            12. 63.a8=Q
          4. 58.Rb6
          5. Rd5
          6. 59.a4
            1. 59.a3
            2. Rc4
            3. 60.a4
            4. Rb4
            5. 61.a5
            6. Ra4
            7. 62.a6
              1. 62.Ra6
              2. Rb4
              3. 63.Rb6
              4. Rb3 with a winning endgame, for example:
                1. 63...Rc4 with a winning endgame, for example:
                2. 64.a6
                3. Rb4
                4. 65.a7
                5. Ra4
                6. 66.a8=Q+
                1. 63...Ra3 with a winning endgame, for example:
                2. 64.a6
                3. Ra4
                4. 65.a7
                5. Rb4
                6. 66.a8=Q
              6. 64.a6
              7. Rb4
              8. 65.a7
              9. Ra4
              10. 66.a8=Q+
            9. 62...Rb4 with a winning endgame, for example:
            10. 63.a7
            11. Ra4
            12. 64.a8=Q+
            1. 59.Rb5
            2. Rd6
          8. 59...Rc4
            1. 59...Rd6
            2. 60.a5
            3. Rd7
            4. 61.a6
            5. Rc8
            6. 62.a7
            7. Rd7
            8. 63.a8=Q
          10. 60.a5
          11. Rb4
          12. 61.a6
            1. 61.Ra6
            2. Ra4
            3. 62.Rb6
            4. Rb4
          14. 61...Ra4 with a winning endgame, for example:
          15. 62.a7
          16. Rb4
          17. 63.a8=Q
        5. 57...Re4 with a winning endgame, for example:
        6. 58.a4
        7. Re5
        8. 59.a5
        9. Re6
        10. 60.a6
        11. Rd7
        12. 61.a7
        13. Rc7
        14. 62.a8=Q
        1. 56.Rd4
        2. Rf3 with a winning endgame, for example:
        3. 57.a4
        4. Rf4
        5. 58.a5
        6. Rf5
        7. 59.a6
        8. Re6
        9. 60.a7
        10. Rd6
        11. 61.a8=Q
      5. 56...Re3 with a winning endgame, for example:
        1. 56...Re5
        2. 57.Rc5
        3. Re4 with a winning endgame, for example:
        4. 58.a4
        5. Re5
        6. 59.a5
        7. Re6
        8. 60.a6
        9. Rd7
        10. 61.a7
        11. Rc7
        12. 62.a8=Q
      7. 57.Rc5
      8. Rd3
      9. 58.a4
      10. Rc3
      11. 59.a5
      12. Rb3
      13. 60.Rd4
      14. Ra4
      15. 61.a6
      16. Rb5
      17. 62.a7
      18. Rc6
      19. 63.a8=Q+
    13. 55...Rxf4
    14. 56.a5
    15. Re4
      1. 56...Re5
      2. 57.a6
      3. Rd6
      4. 58.a7
      5. Rc6
      6. 59.a8=Q+
    17. 57.a6
    18. Rd5
      1. 57...Re5 with a winning endgame, for example:
      2. 58.a7
      3. Re6
      4. 59.a8=Q
    20. 58.a7
    21. Rc6
      1. 58...Rc4
      2. 59.a8=Q
      1. 58...Rd6
      2. 59.a8=Q
    23. 59.a8=Q+
      1. 59.a8=R
  105. 52.Rf3
  106. d2
  107. 53.Re2
  108. Re6
  109. 54.Rxd2
  110. Rf5
  111. 55.a4
  112. Rxf4
  113. 56.a5
1-0
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